PAWAN, S. The Development of Close Loop DC Motor Speed Control Demonstration Set Using Op-amp Circuits. Vocational Education Central Region Journal, [S. l.], v. 3, n. 1, p. 25–32, 2019. Disponível em: https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/246536. Acesso em: 7 may. 2024.